PacketExpert™ 10G/1G provides independent Ethernet/VLAN/MPLS/IP/UDP layer-wise testing at wirespeed. BERT is implemented for all layers. RFC 2544 is applicable for Layers 2, 2.5, and 3, and Loopback is applicable for Layers 2, 3, and 4.
Below is a depiction of the protocol stack that is supported with PacketExpert™
Layer-wise Testing per OSI model